Speaker



FIG. 1 is a perspective view of a speaker, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a cross-sectional view thereof taken along line 8-8 of FIG. 2.

The dashed broken lines show portions of the speaker that form no part of the claimed design. 

CLAIM I claim the ornamental design for a speaker, as shown and described. 